C51
Non-billableMalignant neoplasm of vulva
C51 is the ICD-10-CM code for Malignant neoplasm of vulva. It is a non-billable category code — use a more specific child code such as C51.0 for billing.
- Status
- Header (non-billable)
- Chapter
- C00-D49
- Subcodes
- 5
- Edition
- FY2026
C00-D49 Neoplasms
What this means — in plain language
MedlinePlus · NIHVulvar cancer is a rare type of cancer. It forms in a woman's external genitals, called the vulva. The cancer usually grows slowly over several years. First, precancerous cells grow on vulvar skin. This is called vulvar intraepithelial neoplasia (VIN), or dysplasia. Not all VIN cases turn into cancer, but it is best to treat it early. Often, vulvar cancer doesn't cause symptoms at first. However, see your doctor for…
Read more about Vulvar Cancer at MedlinePlus ↗Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.
Excludes1 — not coded here
- •carcinoma in situ of vulva (D07.1)
Frequently asked questions
- What is ICD-10 code C51?
- C51 is the ICD-10-CM code for "Malignant neoplasm of vulva". It falls under C00-D49 Neoplasms.
- Is C51 a billable code?
- No — C51 is a non-billable header code. Use a more specific child code (such as C51.0) for billing.
- What is excluded from C51?
- Excludes1 (not coded here): carcinoma in situ of vulva (D07.1).
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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